Ethylene reacts with Baeyer's reagent to give [CPMT 1988]

View Answer

Which of the following does not form phenol or phenoxide [AFMC 2000]

View Answer

The stability of carbanions in the following i) RC≡⊖C ii) iii) R2C=⊖CH iv) R3C−⊖CH2 is in the order of

View Answer

The correct order of the metalic character is:

View Answer

Benzoyl chloride is prepared from benzoic acid by

View Answer

An isotope of Ge7632 is :

View Answer

1 g of a gaseous compound of boron & oxygen occupies 0.80 L at 1 atm and 303 K. The compound is . (R=0.0820L atm mol−1K−1, Z: H=1.0, B=10.8)

View Answer

The rate constant for the reaction 2N2O5→4NO2+O2is 3.0×10−5 sec−1. If the rate is 2.4×10−5 mol L−1 sec−1, then the concentration of N2O5 (in mole L−1) is

View Answer

In this sequence X, Y and Z are respectively

View Answer

Let’s try another question.Which of the following are possible wedge – dash representations for Glyceraldehyde.Assume the H and OH on the second carbon are coming out of the plane.

View Answer

What is the meaning of density as a standalone term?

View Answer

A substance which can act both as an antiseptic and disinfectant is:

View Answer

White phosphorus can be separated from red phosphorus by:

View Answer

It takes 26 s for 10 mL of H2 to effuse through a porous membrane. It takes 130 s for 10 mL of an unknown gas to effuse. Hence, molecular weight of the unknown gas is (in gmol−1 )

View Answer

Specific conductance of 0.1 M HA is 3.75×10−4ohm−1cm−1. If λ∞(HA)=250 ohm−1cm2mol−1, the dissociation constant Ka of HA is :

View Answer