The substance used as a smoke screen in warfare is
$SiCl_4$
$PH_3$
$PCI_5$
acetylene
Additional Questions
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The given graph represent the variations of z (compressibility factor (Z)= $ \dfrac{pV}{nRT}$ ) versus p, for three real gas A, B and C. Identify the only incorrect statement. |
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In the dichromate dianion |
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The species that do not contain peroxide ions, is |
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The packing efficiency of two-dimensional square unit cell shown below is |
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Which of the following has longest C–O bond length? (free in C–O bond length in CO is 1.128 A.) |
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The number of radial nodes in 3s and 2p respectively are |
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Zinc can be coated on iron to produce galvanized iron but the reverse is not possible. It is because |
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For a sample of perfect gas when its pressure is changed isothermally from p; to pi, the entropy change is given by |
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The number of geometrical isomers of the complex $[Co(NO_2)_3(NH_3)_3]$ is |
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In the following radioactive decay, $_{92}X^{232} \rightarrow _{89}Y^{220}$, how many $\\alpha$ and $\\beta$-particles are ejected from X to Y? |
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