List of top Chemistry Questions asked in MHT CET

Identify the most electronegative element by the following.
What is the total number of electrons present in bonding and antibonding orbitals respectively in \(\text{F}_2\) molecule according to MO theory ?
Which of the following processes develops cross-links in elastomer?
Identify the linkage in backbone of single strand of DNA ?
Which of the following ionic species is present in hemoglobin and responsible for transformation of oxygen ?
Which of the following is not a basis of classification of polymers ?
Which of the following detergents is used as germicide?
What is the nature of alcohols in aqueous medium?
Which of the following statements is NOT correct?
An organic compound \(\text{CH}_3\text{-CH=CH-CH}_2\text{-CHO}\) is taken in two different containers A and B. Sample in A is treated with \(\text{H}_2\) / Ni forming new compound P. Sample in B is treated with \(\text{LiAlH}_4\) and hydrolyzed further forming new compound Q. Identify P and Q.
What is the common name for the simplest carboxylic acid, HCOOH ?
Which of the following reactions uses diazonium salt ?
Which of following observations is found in Tollens test for aldehydes?
Identify oxidation state of cobalt ion in the complex, \([\text{Co(NH}_3)_5\text{Br}]\text{SO}_4\) .
Which of the following properties is responsible for the development of colour to the colloids?
Which of the following alkyl halides undergoes \(\text{SN}^1\) reaction most readily?
Which of the following alkyl halides is hydrolyzed most rapidly by the \(\text{SN}^2\) mechanism ?
Identify the factor responsible for colour of transition metal compounds.
Identify the number of unpaired electrons present and geometry respectively of \([\text{Co(NH}_3)_6]^{3+}\) complex.
What is order of radioactive decay of a substance ?
The cells A and B contain aqueous solutions of ferrous chloride and ferric chloride respectively. The mass of iron deposited by the same quantity of electricity in cells A and B is in the ratio.
What happens during the discharge of a lead storage battery?
Nano materials not applied in
The rate constant of reaction is \(1.5\times 10^7 \text{s}^{-1}\) at 300 K and \(3.0\times 10^7 \text{s}^{-1}\) at 330 K. What is the activation energy for the reaction? [ \(R\times 2.303 = 19.15 \text{JK}^{-1}\text{mol}^{-1}\)]
The rate constant for the reaction \(2\text{N}_2\text{O}_5\rightarrow 4\text{NO}_2+\text{O}_2\) is \(3.0\times 10^{-5} \text{s}^{-1}\). If the rate is \(2.4\times 10^{-5} \text{mole L}^{-1} \text{s}^{-1}\) then the concentration of \(\text{N}_2\text{O}_5\,(\text{mol L}^{-1})\) is