Welcome to your Chemistry SSC General Studies 50 MCQ SET:-3
Date:- 24/12/2024
1.
Which of the following is a primary arylamine in which an amino functional group is substituted for one of the benzene hydrogens?
2.
Methyl ethyl ketone is also known as:
3.
What is the suffix for –OH group according to IUPAC?
4.
Litmus paper changes to __ colour when put in soap water.
5.
_ is a naturally occurring organic compound with the formula (C6H5) 2CO .
6.
What is the colour of the flame when unsaturated hydrocarbons burn?
7.
Heating ethanol with excess concentrated sulphuric acid produces:
8.
Which element was arbitrarily assigned a value of 4.0 in the ‘Halogens’ section in 1922 by Linus Pauling, an American scientist ?
9.
1,3-Dimethylbenzene also known a:
11.
Which organic compound has the structure R−COOH, with R referring to the alkyl, alkenyl, aryl, or other group?
12.
What is the IUPAC name of the organic compound depicted in the figure?
13.
In which dialdehyde are two formyl groups attached to adjacent carbon centres on a benzene ring and from fluorescent conjugation products with primary amines?
14.
A class of organic compounds that contain an oxygen between two alkyl groups is called:
15.
Which of the following is the most widely used method for refining impure metals?
16.
What is the chemical formula for the aldehyde group?
17.
Which among the following elements is used in moisturising creams and soaps because of its hygroscopic properties?
18.
Name an alkylbenzene widely used as a chemical intermediate in the production of phenol.
19.
Identify a class of compounds that has a functional group -OH.
20.
Which of the following fibres is used to make rayon cloth?
21.
Which of the following is a tough, porous and black substance, and almost a pure form of carbon?
22.
Which potassium acid salt is obtained as a by-product of alcohol manufacture during the fermentation process?
23.
Which of the following is a strong reducing agent used to reduce aldehydes, ketones, esters, carboxylic acid chlorides, carboxylic acids and even carboxylate salts to alcohols?
24.
What is the systematic name of a colourless gas with a faint, ethereal odour called acetylene, widely used for welding ?
25.
What is the product formed when CH3CH2OH reacts with O2?
26.
Which of the following compounds having the molecular formula C2H is derived from the hydride of acetylene?
27.
Which compound structure includes a saturated short-chain fatty acid with 4-carbon molecules, commonly found in esterified form in animal fats and plant oils ?
28.
Which of the following organic compounds is synonymous with olefiant gas which is used to make anaesthetics, refrigerants and other chemicals?
29.
Lactitol is derived through the hydrogenation of:
30.
The process in which metals are extracted from their ores by heating beyond the melting point is called________ .
31.
Chaoite, Buckminsterfullerene and Graphene are related to which element ?
32.
Which of the following is a valid bond in Alkenes that connects carbon atoms?
33.
Which of the following does NOT belong to the family of organic compounds?
34.
Pectin, which is responsible for the firmness and softness of fruits, is mainly composed of which acid unit?
35.
In organic chemistry, which of the following is an empirical rule used to predict the regioselectivity of electrophilic addition reactions of alkanes and alkynes?
36.
__ is a process of forming a thick oxide layer of aluminium.
37.
Which unsaturated aliphatic hydrocarbon composed of 20 carbon atoms is used to make candles and paraffin wax with solar energy storage capacity?
39.
Which synthetic aromatic organic compound inhibits the chemical breakdown of food that occurs in the presence of oxygen, commonly used in foods such as crackers, microwave popcorn, butter and chicken nuggets?
40.
Which of the following is a white to yellowish solid with a weak aromatic odour purified by the process of sublimation ?
41.
Which is the most common ore of oxidised mercury that occurs in granular crusts or veins associated with volcanic activity and hot springs?
42.
Which of the following is a straight-chain alkane containing 12 carbon atoms that are used as a major component in kerosene and some jet fuel research and also in the rubber and paper processing industry?
43.
Which organic chemical compound is reacted with nitrous acid at 273-278K to prepare benzenediazonium chloride?
44.
According to a law postulated by __, the amounts of different substances liberated by the same quantity of electricity passing through the electrolytic solution are proportional to their chemical equivalent weights.
45.
Which of the following is the highest quality coal?
46.
What is the strength of a hydrogen bond determined by ?
47.
With reference to metals and their ores, which of the following pairs is INCORRECT?
48.
Trichloromethane is better known as:
49.
Dry ice, ammonium chloride, naphthalene balls and camphor, all these compounds are an example of:
50.
Tribromomethane is a synonym for which brominated organic solvent?
