List of top Questions asked in BITSAT

Among the following, the correct statements are:
Statement I – Nature of Saline (Ionic) Hydrides
Statement II – Volatility of Saline Hydrides
Statement III – Nature of Electron-Precise Hydrides
Statement IV – Formula of Chromium Hydride

Which of the following complexes will exhibit maximum attraction to an applied magnetic field?

The range of \(8\sin(\theta) + 6\cos(\theta) + 2\) is:

The chemical name of calgon is:

The final product in the following reaction Y is:

If the number of available constraints is 3 and the number of parameters to be optimised is 4, then

Let the foot of perpendicular from a point \( P(1,2,-1) \) to the straight line \( L : \frac{x}{1} = \frac{y}{0} = \frac{z}{-1} \) be \( N \). Let a line be drawn from \( P \) parallel to the plane \( x + y + 2z = 0 \) which meets \( L \) at point \( Q \). If \( \alpha \) is the acute angle between the lines \( PN \) and \( PQ \), then \( \cos \alpha \) is equal to:

In the given cycle ABCDA, the heat required for an ideal monoatomic gas will be:

A photon of wavelength \( 3000 \) Å strikes a metal surface. The work function of the metal is \( 2.13 \) eV. What is the kinetic energy of the emitted photoelectron? (\( h = 6.626 \times 10^{-34} \) Js)

If \( a>0, b>0, c>0 \) and \( a, b, c \) are distinct, then \( (a + b)(b + c)(c + a) \) is greater than:

A book contains 1000 pages. A page is chosen at random. The probability that the sum of the digits of the marked number on the page is equal to 9, is

A simple pendulum doing small oscillations at a place \( R \) height above the Earth's surface has a time period of \( T_1 = 4 \, {s} \). \( T_2 \) would be its time period if it is brought to a point which is at a height \( 2R \) from the Earth's surface. Choose the correct relation [\( R \) = radius of Earth]:

The coefficient of the highest power of \(x\) in the expansion of \((x + \sqrt{x^2 - 1})^8 + (x - \sqrt{x^2 - 1})^8\) is:

In the following species, how many species have the same magnetic moment?
(i) Cr\(^{2+}\)
(ii) Mn\(^{3+}\)
(iii) Ni\(^{2+}\)
(iv) Sc\(^{2+}\)
(v) Zn\(^{2+}\)
(vi) V\(^{3+}\)
(vii) Ti\(^{4+}\)

The sum of the infinite series \(1 + \frac{5}{6} + \frac{12}{6^2} + \frac{22}{6^3} + \frac{35}{6^4} + \dots\) is equal to:

Given below is the distribution of a random variable \(X\):
\[ \begin{array}{|c|c|} \hline X = x & P(X = x) \\ \hline 1 & \lambda \\ 2 & 2\lambda \\ 3 & 3\lambda \\ \hline \end{array} \] If \(\alpha = P(X<3)\) and \(\beta = P(X>2)\), then \(\alpha : \beta = \)

The charge on colloidal particles is due to:

Electron affinity is positive when:

The dimensional formula of latent heat is:

You measure two quantities as \( A = 1.0 \,m \pm 0.2 \,m \), \( B = 2.0 \,m \pm 0.2 \,m \). We should report the correct value for \( \sqrt{AB} \) as:

In an \( S_{\text{N}2} \) substitution reaction of the type: \[ R - Br + Cl^- \longrightarrow R - Cl + Br^- \]
Which one of the following has the highest relative rate?

A rigid body rotates about a fixed axis with variable angular velocity \( \omega = \alpha - \beta t \) at time \( t \), where \( \alpha, \beta \) are constants. The angle through which it rotates before it stops is: