List of top Questions asked in MHT CET

What is the coordination number of a cation in an ionic compound if the type of hole occupied by the cation is octahedral?
Which catalyst is used in conversion of chlorobenzene to phenol by Rasching process?
Which class of terpenes includes \(\beta\)-carotene?
What is the oxidation state of sulphur in oil of vitriol?
What is the highest oxidation state exhibited by actinoids?
Which among the following is NOT obtained when bromobenzene is treated with bromoethane and sodium in presence of dry ether?
What is the oxidation state and coordination number of platinum respectively in
\[ \left[\mathrm{Pt(NH_3)_6}\right]^{4+}\,? \]
IUPAC name of isobutyl chloride is
Which among the following is a mineral of magnesium?
What is the difference in molar mass of any two neighbouring alkanes?
Which among the following elements has the lowest value of electronegativity?
Identify the monomers used in preparation of Novolac.
What is the oxidation state of chlorine atom in hypochlorous acid?
In meter-bridge experiment a resistance of \(18\,\Omega\) is connected in left gap and unknown resistance \(R\) is connected in right gap. The null point is obtained at \(\ell_1\) from left end. If unknown resistance is replaced by \(\left(\frac{R}{3}\right)\Omega\), the null point is obtained at \(1.5\ell_1\). The unknown resistance is
Two satellites \(A\) and \(B\) of same mass are revolving round the earth at height \(2R\) and \(3R\) respectively above the surface of the earth. The ratio of kinetic energies of \(A\) to \(B\) will be
For athermanous substances, coefficient of transmission is
A motorcyclist rides in a horizontal circle about a central vertical axis inside a cylindrical chamber of radius \(r\). If the coefficient of friction between the tyres and the inner surface of the chamber is \(\mu\), the minimum speed of motorcyclist to prevent him from skidding is (\(g\) = acceleration due to gravity)
For a gas \(\dfrac{R}{C_v} = 0.67\). This gas is made up of molecules which are
Identify `A` in the following reaction:
\[ A \xrightarrow[\text{pyridine, reflux}]{\text{SOCl}_2} B \xrightarrow[\Delta]{\text{KCN (alcoholic)}} \text{Propane nitrile} \]
A lift of mass \(m\) is ascending with an acceleration \(a\) (\(a<g\)). The tension in the cable of the lift is ( \(g\) = acceleration due to gravity )
The variation of stopping potential for metals A, B, C and D with frequency of incident radiation is as shown in the figure. For which metal, stopping potential is higher for lower values of threshold frequency (\(\nu_0\))? [The frequency of incident radiation \(\nu\) is same.]
The threshold wavelengths for photoelectric emission from two metals A and B are 400 nm and 800 nm respectively. The ratio of their work functions \(\phi_A\) to \(\phi_B\) is
If a p–n junction diode is reverse biased then
A prism having refractive index \(\sqrt{2}\) and refracting angle \(30^\circ\) has one of the refracting surfaces silvered. The beam of light incident on the other refracting surface will retrace its path, if angle of incidence is \([\sin(\pi/6)=0.5]\)
The resultant of two vectors \(\vec{P}\) and \(\vec{Q}\) is \(\vec{R}\). When the direction of \(\vec{Q}\) is reversed, the resultant is given by \(\vec{S}\). Which one of the following is true for vectors \(\vec{R}\) and \(\vec{S}\)?