The anticodon transfer RNA for the messenger RNA codon GCA is

 

1.  TGA
2.  GUT
3.  AGT
4.  CGU

Which one of the following statements is wrong?

 

1.  Fuel obtained from plastic waste has high octane rating

The enthalpies of all elements in their standard states are

 

1.  unity

2 L of an ideal gas at a pressure of 10 atm expands isothermally into a vacuum until its total volume is 10 L. How much work is done in the expansion?

 

1.  8 L-atm

Predict in which of the following entropy decreases.

 

1.  A liquid crystallizes into a solid

The number of unpaired electrons in a paramagnetic diatomic molecule of an element with atomic number 16 is

 

1.  1

How many σ and π bonds are in  ion?

 

1.  4, 2

The shape of the orbital with the value of l=2, m=0 is: 
1.  Spherical
2.  Double dumb-bell
3.  Trigonal planar
4.  Square planar

For the reaction, 1 g mole of CaCO₃ is enclosed in 5 L container 
CaCO₃(s) → CaO(s) + CO₂(g) 
K_p=1.16 at 1073 K then per cent dissociation of CaCO₃ is

 

1.  zero

Ionic product of Ni(OH)₂ is 2.0×10^-15. Molar solubility of Ni(OH)₂ in 0.10 M NaOH will be

 

1.  1.0×10^-13 M