Chemistry Test ...

According to Werner's theory of coordination compounds:

Which pair of oxides is acidic in nature?

Carbon belongs to the second period and Group 14. Silicon belongs to the third period and Group 14. If atomic number of carbon is 6, the atomic number of silicon is:

Ozonolysis of an organic compound gives formaldehyde as one of the products. This confirms the presence of:

In the above conversion the correct sequence of reagents to be added is :

Electrolysis of dilute aqueous \(NaCl\) solution was carried out by passing \(10\) milli ampere current. The time required to liberate \(0.01\) mol of \(H_{2}\) gas at the cathode is: (\(1\) Faraday \(=96500 Cmol ^{-1}\))

Two flasks I and II shown below are connected by a valve of negligible volume.

When the valve is opened, the final pressure of the system in bar is \(x \times 10^{-2}\). The value of \(x\) is _________(Integer answer)

[Assume, Ideal gas, \(1 \mathrm{bar}=10^5 \mathrm{~Pa}\), molar mass of \(\left.\mathrm{N}_2=28.0 \mathrm{gmol}^{-1} ; \mathrm{R}=8.31 \mathrm{Jmol}^{-1} \mathrm{~K}^{-1}\right]\)

Which of the following are arranged in an increasing order of their bond strength?

Calculate the 'spin only' magnetic moment of \({M}^{2+}{ }_{\text {(aq) }}\) ion \(({Z}=27 )\).