Which of the following reaction is an example of ammonolysis ?

In \(XeO_3F_2\), the number ofbond pair \((s)\), \(\pi -\) bond \((s)\) and lone pair \((s)\) on \(Xe\) atom respectively are:

See the following chemical reaction: \(Cr _2 O _7^{2-}+ XH ^{+}+6 Fe ^{2+} \rightarrow YCr ^{3+}+6 Fe ^{3+}+ ZH _2 O\) The sum of \(X . Y\) and \(Z\) is \(.......\).

The synthesis of alkyl fluorides is best accomplished by :

In the following reactions, the total number of oxygen atoms in \(X\) and \(Y\) is \(........\). \(Na _2 O + H _2 O \rightarrow 2 X\) \(Cl _2 O _7+ H _2 O \rightarrow 2 Y\)

\(XeO_4\) molecule is tetrahedral having

\(\underset{\raise0.3em\hbox{\)\smash{\scriptscriptstyle-}\(}}{A} \xrightarrow{{4\,KO{H_1}{O_2}}}\mathop {2\underset{\raise0.3em\hbox{\)\smash{\scriptscriptstyle-}\(}}{B} }\limits_{(Green)}  + 2{H_2}O\) \(3\underset{\raise0.3em\hbox{\)\smash{\scriptscriptstyle-}\(}}{B} \xrightarrow{{4\,HCl}}\mathop {2C}\limits_{(Purple)}  + Mn{O_2} + 2{H_2}O\) \(3\underset{\raise0.3em\hbox{\)\smash{\scriptscriptstyle-}\(}}{C} \xrightarrow{{{H_2}O,KI}}2\underset{\raise0.3em\hbox{\)\smash{\scriptscriptstyle-}\(}}{A}  + 2KOH + \underset{\raise0.3em\hbox{\)\smash{\scriptscriptstyle-}\(}}{D} \) In the above sequence of reactions, \(\underset{\raise0.3em\hbox{\)\smash{\scriptscriptstyle-}\(}}{A}\) and \(\underset{\raise0.3em\hbox{\)\smash{\scriptscriptstyle-}\(}}{D} \) ,  respectively are

Which one of the following statements is not true about enzymes ?

The least value of the product \(xyz\) for which the determinant \(\left| {\begin{array}{*{20}{c}}
  x&1&1 \\ 
  1&y&1 \\ 
  1&1&z 
\end{array}} \right|\) is non-negative, is 

Sand is being dropped from a stationary dropper at a rate of \(0.5\,kgs ^{-1}\) on a conveyor belt moving with a velocity of \(5\,ms ^{-1}\). The 10.Power needed to keep belt moving with the same velocity will be.

The number of paramagnetic species among the following is\(......\) \(B _{2}, Li _{2}, C _{2}, C _{2}^{-}, O _{2}^{2-}, O _{2}^{+}\)and \(He _{2}^{+}\)

\(\int \frac{\left(x^{2}+1\right) e^{x}}{(x+1)^{2}} d x=f(x) e^{x}+C\), Where \(C\) is a constant, then \(\frac{d^{3} f}{d x^{3}}\) at \(x =1\) is equal to

\(4.5\) moles each of hydrogen and iodine is heated in a sealed ten litre vessel. At equilibrium, \(3\) moles of HI were found. The equilibrium constant for \(H _2( g )+ I _2( g ) \rightleftharpoons 2 HI ( g )\) is .......