Cohesive force is experienced between
Cohesive force is experienced between Options (a) Magnetic substances (b) Dissimilar molecules (c) Molecules of same substance (d) None of…
5 years ago
Questions
If capillary experiment is performed in vaccum, then a liquid under the condition
If capillary experiment is performed in vaccum, then a liquid under the condition Options (a) will raise (b) will remain…
5 years ago
A slab consists of two parallel layers of two different materials of same thickness
A slab consists of two parallel layers of two different materials of same thickness and area having thermal conductivities K₁…
5 years ago
The following four wires are made of the same material. Which of these will have
The following four wires are made of the same material. Which of these will have the largest extension when the…
5 years ago
Acetylene, on reacting with formaldehyde under high pressure, gives
Acetylene, on reacting with formaldehyde under high pressure, gives Options (a) propanol (b) propyl alcohol (c) allyl aldehyde (d) butyndiol…
7 years ago
The number of π-bond present in propyne is
The number of π-bond present in propyne is Options (a) 4 (b) 1 (c) 3 (d) 2 Correct Answer: 2Explanation:No…
7 years ago
Which of the following gives methane on hydrolysis
Which of the following gives methane on hydrolysis Options (a) CaC₂ (b) Al₄C₃ (c) Al₂O₃ (d) Fe₃O₄ Correct Answer: Al₄C₃…
7 years ago
The reaction CH₃ – Br + 2Na + Br – CH₃ → CH₃ – CH₃ is called
The reaction CH₃ – Br + 2Na + Br – CH₃ → CH₃ – CH₃ is called Options (a) Wurtz…
7 years ago
Which of the following group activates the benzene ring most towards electrophili
Which of the following group activates the benzene ring most towards electrophilic substitution Options (a) –CHO (b) –NR₂ (c) –NHCOCH₃…
7 years ago
The electrophile in the nitration of benzene is
The electrophile in the nitration of benzene is Options (a) NO₂⁺ (b) NO₂ (c) NO⁺ (d) NO₂⁻ Correct Answer: NO₂⁺Explanation:Nitronium…
7 years ago