Chemistry

Hydrocarbons which react with ammoniacal copper (l) chloride solution conforms to the general molecular formula?

A. CnH2n B. CnH2n + 1 C. CnH2n+2 D. CnH2n - 2 Correct Answer: Option D D. CnH2n - 2

6 years ago

Alkenes undergo the following reactions except?

A. addition B. hydration C. polymerization D. substitution Correct Answer: Option D D. substitution

6 years ago

Which of the following pairs of substances can be distinguished by use of NaHCO3 solution?

A. CH3CH2OH and HCOOCH3 B. CH3CH2OH and CH3COOH C. CH3COOH and HCOOH D. CH3CH2OH and CH3OH Correct Answer: Option B…

6 years ago

The complete hydrogenation of C6H6 in the presence of nicked catalyst at 200°C gives?

A. C6H8 B. C6H10 C. C6H12 D. C6H14 Correct Answer: Option C C. C6H12

6 years ago

Which of the following substances is suitable solvent for perfumes?

A. Benzene B. Ethanol C. Turpentine D. Water Correct Answer: Option B B. Ethanol

6 years ago

What product is formed at the cathode during the electrolysis of concentrated sodium chloride solution using carbon electrodes?

A. Chlorine B. Hydrogen C. Oxygen D. Sodium Correct Answer: Option B B. Hydrogen

6 years ago

What is the oxidation number of chromium in K2CrO4?

A. +1 B. +2 C. +4 D. +6 Correct Answer: Option D D. +6 Explanation K2CrO4 (O.N of K) X…

6 years ago

Consider the reaction represented by the following equation: N2(g) + 3H2(g) ⇌ 2NH3(g); ∆H = – 92kJmol1. Finely divided iron is used as catalyst in the reaction in order to?

A. lower the value of ∆H B. increase the time for attainment of equilibrium C. shorten the time for attainment…

6 years ago

A solution of a salt X reacts with AgNO3 solution to give white precipitate which dissolves in excess aqueous ammonia. X contains?

A. CI‾ B. Pb²+ C. SO2‾ D. Zn²+ Correct Answer: Option A A. CI‾

6 years ago

What process is illustrated below? S(s) ⇌H2O⇌ S(aq)

A. Decomposition of a solid B. Melting of a solid C. Formation of saturated solution of a solid D. Sublimation…

6 years ago
Show more Posts
Show previous Posts