Which of the following halides is most acidic?

Charges are placed on the vertices of a square as shown. Let $\overrightarrow{E}$ be the electric field and $V$ be the electric potential at the centre. If the charges on $A$ and $B$ are interchanged with those on $D$ and $C$ respectively,then:

$\sinh^{-1}(2^{3/2})$ is equal to :

Where are the constituent particles located in an end-centered unit cell?

The transformed equation of $3x^2 + 3y^2 + 2xy = 2$,when the coordinate axes are rotated through an angle of $45^{\circ}$,is

Which crop developed by mutation breeding shows resistance to yellow mosaic virus?