OA2004

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…

What is kinetic energy of 1 g of O₂ at 47⁰C

What is kinetic energy of 1 g of O₂ at 47⁰C Options (a) 1.24 ˣ 10² J (b) 2.24 ˣ…

Which responds to +ve iodoform test

Which responds to +ve iodoform test Options (a) butanol (b) butane-1-al (c) butanol-2 (d) 3-pentanone Correct Answer: butanol-2Explanation:No explanation available.…

Glucose and mannose are

Glucose and mannose are Options (a) epimers (b) anomers (c) ketohexoses (d) disaccharides Correct Answer: epimersExplanation:Gluose and mannose are epimers…

Which is correct about zero order reaction

Which is correct about zero order reaction Options (a) Rate of reaction depends on decay constant (b) Rate of reaction…

Coordination number of Zn in ZnS (zinc blende) is

Coordination number of Zn in ZnS (zinc blende) is Options (a) 6 (b) 4 (c) 8 (d) 12 Correct Answer:…

Percentage of recombination between A and B is 9%, A and C is 17%, B and C is 26%,

Percentage of recombination between A and B is 9%, A and C is 17%, B and C is 26%, then…

Natural genetic engineer is

Natural genetic engineer is Options (a) Pseudomonas putida (b) Agrobacterium tumefaciens (c) Escherichia coli (d) Bacillus sublilis Correct Answer: Agrobacterium…

Restriction enzyme EcoR I cleavage DNA at the sequence

Restriction enzyme EcoR I cleavage DNA at the sequence Options (a) AAGCTT (b) AAGTTC (c) TATAGC (d) GAATTC Correct Answer:…

Similipal is

Similipal is Options (a) Sanctuary (b) Biosphere Reserve (c) National Park only (d) Zoo Correct Answer: Biosphere ReserveExplanation:No explanation available.…