List of top Questions asked in AIIMS- 2004

Aqueous gold colloidal solution is red in colour. The colour arises due to scattering of light by colloidal gold particles.
All $F - S - F$ angle in $SF_4$ is greater than $90^{\circ}$ but less than $180^{\circ}$. The lone pair-bond pair repulsion is weaker than bond pair-bond pair repulsion.
Which of the following is a biodegradable polymer?
An organ pipe closed at one end has fundamental frequency of $1500\, Hz$. The maximum number of overtones generated by this pipe which a normal person can hear is
Which of the following does not have optical isomer?
Among the following, the most reactive towards alcoholic $KOH$ is :
Isobutanal does not give iodoform tests. It does not have $\alpha$-hydrogen
The major products formed by heating $C_6H_5CH_2OCH_3$ with $HI$ are $C_6H_5CH_2I \, and \, CH_ 3OH. $ Benzyl cation is more stable than methyl cation
Which one of the following forms with an excess of $CN^-$ (cyanide) a complex having coordination number two?
The $ONO$ angle is maximum in
Which of the following is only acidic in nature?
Maltose is a reducing sugar which gives two moles of D-glucose on hydrolysis Maltose has a$ 1,4-\beta$-glycosidic link-age
Shape of $O_2F_2$ is similar to that of
Which of the following is not considered as an organometallic compound ?
The treatment of snake bite by antivenine is an example of
In which one of the following pairs the two items mean one and the same thing
The temperature $(T )$ dependence of resistivity $(r)$ of a semiconductor is represented by
A circular coil of radius $R$ carries an electric current. The magnetic field due to the coil at a point on the axis of the coil located at a distance $r$ from the center of the coil, such that $r > > R$, varies as
Sodium lamps are used in foggy conditions because
A sphere of mass $M$ and radius $R$ is falling in a viscous fluid. The terminal velocity attained by the falling object will be proportional to
A proton and an $\alpha$ - particle, moving with the same velocity, enter into a uniform magnetic field, acting normal to the plane of their motion. The ratio of the radii of the circular paths described by the proton and $\alpha$ - particle is