The correct order of boiling point in the following compounds is

The stability of a lyophobic colloid is due to

Specific conductance of \(0.1 \mathrm{M} \mathrm{HNO}_3\) is \(63 \times 10^{-2} \mathrm{ohm}^{-1} \mathrm{~cm}^{-1}\). The molar conductance of the solution is

The number of anti-bonding electrons present in \(\mathrm{O}_{2}^{-}\)molecular ion is

The number of angular and radial nodes in \(3 p\) orbital respectively are

Match List-I with List-II
\begin{array}{|l|l|l|l|}\hline & \text{List-I (Types of redox reactions)} & & \text{List-II (Examples)} \\\hline \text{a}. & \text{Combination reaction} & \text{(i)} & \mathrm{Cl}_{2(\mathrm{~g})}+2 \mathrm{Br}_{(\mathrm{aq})}^{-} \rightarrow 2 \mathrm{Cl}_{(\mathrm{aq})}^{-}+\mathrm{Br}_{2(\mathrm{l})} \\\hline \text{b.} & \text{Decomposition reaction} & \text{(ii)} & 2 \mathrm{H}_2 \mathrm{O}_{2(\mathrm{aq})} \rightarrow 2 \mathrm{H}_2 \mathrm{O}_{(1)}+\mathrm{O}_{2(\mathrm{~g})} \\\hline \text{c.} & \text{Displacement reaction} & \text{(iii)} & \mathrm{CH}_{4(\mathrm{~g})}+2 \mathrm{O}_{2(\mathrm{~g})} \xrightarrow{\Delta} \mathrm{CO}_{2(\mathrm{~g})}+2 \mathrm{H}_2 \mathrm{O}_{(1)} \\\hline \text{d.} & \text{Disproportionation reaction} & \text{(iv)} & \mathrm{H}_2 \mathrm{O}_{(1)} \xrightarrow{\Delta} 2 \mathrm{H}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})} \\\hline\end{array}

Choose the correct answer from the options given below.

Which of the following is not a green house gas?

The major product obtained when ethanol is heated with excess of conc. \(\mathrm{H}_2 \mathrm{SO}_4\) at \(443 \mathrm{~K}\) is

If
\(x-1 \quad\) is
\(x^{5}-4 x^{3}+2 x^{2}-3 x+k=0\), then \(k\) is
\(a\)

Which of the following is not a correct statement?

If \(f(x)=\left\{\begin{array}{cl}x^2-1, & 0 < x < 2 \\ 2 x+3, & 2 \leq x < 3\end{array}\right.\),the quadratic equation whose roots are \(\lim _{x \rightarrow 2^{-}} f(x)\) and \(\lim _{x \rightarrow 2^{+}} f(x)\) is

A fringe width of a certain interference pattern is \( \beta=0.002 \mathrm{~cm} \). What is the distance of \( 5^{\text {th }} \) dark
fringe from center?

Which of the following statements are true about \(\left[\mathrm{NiCl}_4\right]^{2-}\) ?
(a) The complex has tetrahedral geometry
(b) Co-ordination number of Ni is 2 and oxidation state is +4
(c) The complex is \(\mathrm{sp}^3\) hybridised
(d) It is a high spin complex
(e) The complex is paramagnetic