n-Butane and isobutane are
n-Butane and isobutane are Options (a) positional isomers (b) chain isomers (c) functional isomers (d) metamers Correct Answer: chain isomersExplanation:No…
7 years ago
Chemistry
The isomerism represented by ethyl acetoacetate is
The isomerism represented by ethyl acetoacetate is Options (a) keto-enol isomerism (b) geometrical isomerism (c) enantiomerism (d) diastereoisomerism Correct Answer:…
7 years ago
Dumas method is used for the estimation of
Dumas method is used for the estimation of Options (a) carbon (b) halogens (c) sulphur (d) nitrogen Correct Answer: nitrogenExplanation:It…
7 years ago
The compound that does not produce blue colour in Lassaigne’s test is
The compound that does not produce blue colour in Lassaigne's test is Options (a) Urea (b) Hydrazine (c) Aniline (d)…
7 years ago
A hydrocarbon contains 20% hydrogen and 80% carbon.The empirical formula is
A hydrocarbon contains 20% hydrogen and 80% carbon.The empirical formula is Options (a) CH₄ (b) CH₃ (c) CH₂ (d) CH…
7 years ago
The hybridisation of C₂H₂ is
The hybridisation of C₂H₂ is Options (a) sp³ (b) sp (c) sp³d (d) sp² Correct Answer: spExplanation:No explanation available. Be…
7 years ago
Which of the following C-H bonds has lowest bond dissociation energy
Which of the following C-H bonds has lowest bond dissociation energy Options (a) tertiary(3⁰) C-H bond (b) primary(1⁰) C-H bond…
7 years ago
The number of isomers in C₄H₁₀O is
The number of isomers in C₄H₁₀O is Options (a) 5 (b) 3 (c) 7 (d) 4 Correct Answer: 7Explanation:No explanation…
7 years ago
The molecular weight of a gas is 45. Its density at STP is
The molecular weight of a gas is 45. Its density at STP is Options (a) 22.4 (b) 11.2 (c) 5.7…
7 years ago
The C – C bond length in ethane is
The C – C bond length in ethane is Options (a) 1.54 A⁰ (b) 1.34 A⁰ (c) 1.39 A⁰ (d)…
7 years ago