List of top Questions asked in KCET- 2012

$20\, mL$ of methane is completely burnt using $50\, mL$ of oxygen. The volume of the gas left after cooling to room temperature is

A first order reaction is $60\%$ complete in $20$ minutes. How long will the reaction take to be $84\%$ complete ?

The secondary valency of platinum in tetraamminedichloroplatinum $(IV)$ chloride is

Length of the subtangent at $ (x_1, y_1)$ on $x^n y^m = a^{m+n}, m, n > 0,$ is

Impossible orbital among the following is

The volume of $0.1\, M$ oxalic acid that can be completely oxidized by $20\, ml$ of $0.025 \, M \, KMnO_4$ solution is

The total number of electrons in $18\, ml$ of water (density $= 1\, g \,ml^{-1} $) is

Which of the following is a negatively charged bidentate ligand ?

Pick out the wrong statement.

If the conjugate of $(x + iy) (1 - 2i)$ is $1 + i,$ then

The atomic number of cobalt is $27$. The $EAN$ of cobalt in $Na_3 [Co(NO_2)_4Cl_2]$ is

Direction of current induced in a wire moving in a magnetic field is found using

If $(\vec{a} \times \vec{b})^2+(\vec{a}.\vec{b})^2=144$ and $|\vec{a}|$ then $ |\vec{b}|$=

The circular motion of a particle with constant speed is

A point source of light is kept below the surface of water $(n_w = \frac{4}{3})$ at a depth of $\sqrt{7}$ m. The radius of the circular bright patch of light noticed on the surface of water is

The dimensional formula of physical quantity is $[M^a \,L^b\, T^c]$. Then that physical quantity is

All colloidal dispersions have

Pteridophytes are called vascular cryptogams, because they are non-seeded plants containing:

The host for Cercospora personata belongs to this family of angiosperms :

Benzylamine is a stronger base than aniline because

The mass of a non-volatile solute of molar mass $40\, g \,mol^{-1}$ that should be dissolved in $114\, g$ of octane to lower its vapour pressure by $20 \%$ is

The $s$-block element used as a catalyst in the manufacture of Buna-$S$ rubber is

If $\alpha ,\beta,\gamma$ are the roots of the equation $x^3+4x+2=0$ then $\alpha^3+\beta^3+\gamma^3$

In this circuit, the value of $I_2$, is

$5\, ml$ of $0.4\, N\, NaOH$ is mixed with $20\, ml$ of $0.1\, N\, HCl$. The $pH$ of the resulting solution will be