Write chromyl chloride test with equation

What do you understand by lanthanide contraction

What are lanthanide elements?

Explain oxidization properties of potassium permanganate in acidic medium.

Give two differences between double salt and complex salt.

Give two differences between DNA and RNA.

Find the shortest distance between the given lines. $$ \begin{array}{l} \square \vec{r}=(\hat{i}+\hat{j})+\lambda(2 \hat{i}-\hat{j}+\hat{k}) \\ \vec{r}=(2 \hat{i}+\hat{j}-\hat{k})+\mu(3 \hat{i}-5 \hat{j}+2 \hat{k}) \end{array} $$

Which of the following compounds has tetrahedral geometry? (a) $\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{-2}$ (b) $\left[\mathrm{Pd}(\mathrm{CN})_{4}\right]^{2-}$ (c) $\left[\mathrm{PdCl}_{4}\right]^{2-}$ (d) $\left[\mathrm{NiCl}_{4}\right]^{2}$

Oxidation number of gold metal is (a)+1 (b) 0 (c) $-1$ (d) all of these

Question consists of two statements, namely, Assertion (A) and Reason (R). For selecting the correct answer, use the following code:

Question consists of two statements, namely, Assertion (A) and Reason (R). For selecting the correct answer, use the following code:

Match the following: