List of top Questions asked in AIIMS

(2) CH-CHO (3) p-CH-CH-CHO (4) p-CHO-CH-CHO Correct order for nucleophilic addition reaction :

Find out the products of the reaction.

Find the end product of the following reaction.

$C_7H_{10}(A)$ reacts with $CH_3MgBr$ to give a compound, $C_8H_{14}0$ which gives the iodoform test, then find out the structure A

Select the correct set of answer.

When $Ag^+$ reacts with excess of sodium-thiosulphate then he obtained species having charge and geometry respectively :

A cart has mass 2 metric ton and sand of 1 metric ton is inside the cart. Now a force of 10 N is applied on cart and sand starts to leak with rate of 0.5 kg/s. What is the velocity of cart when total sand has come out from the cart ?

Which of the following are extensive properties?

A person may be a haemophilic, only if his mother is a carrier or colourblind. The male parent cannot pass on a sex-linked gene to his son.

Which option is valid for a zero order reaction?

The force between the plates of a parallel plate capacitor is proportional to charge on it. Electric force is equal to charge per unit area.

Trien is

Centre of mass of a uniform ring of radius R will be at a position

Companion cells are associated with

Citrus canker is caused by

What is the maximum wavelength of line of Balmer series of hydrogen spectrum? (R = 1.09 ??10 m)

In the circuit shown, the current through the 5 O resistor is

A current flows in a conductor only when there is an electric field within the conductor. The drift velocity of electron in presence of electric field decreases.

In a potentiometer experiment of a cell of emf $1.25\, V$ gives balancing length of $30\, cm$. If the cell is replaced by another cell, balancing length is found to be $40\, cm$. What is the emf of second cell ?

The vapour pressure of a liquid decreases if some non-volatile solute is dissolved in it. The relative lowering of vapour pressure of a solution containing a non-volatile solute is equal to the mole fraction of the solute in the solution.

When pressure is increased at constant temperature

Ethylene glycol is used as antifreeze to reduce freezing point of water to $-2.4^{\circ}\,C$. What mass of antifreeze is required for $2\, L$ water? $(K_f \,water\, = \,1.86\, K \,kg/mole)$

1 g of polymer having molar mass 1,60,000 g is dissolved in 800 mL water. Calculate the osmotic pressure in pascal at 27$^{\circ}$C. $(R \,= \,8.314\, J \,K^{-1}mole^{-1})$

Ploidy of endothecium, microspore mother cell, tapetum and microspore is respectively,

The endosperm in gymnosperm is formed after fertilisation. The endosperm of gymnosperm is formed by triple fusion.