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JMD PUBLICATION-THE p-BLOCK ELEMENTS-Example
- Which of the following pentafluorides cannot be prepared?
01:39
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- Maximum covalency of sulphur is :
03:37
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- Which one of the following is tailing of mercury?
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- The basicity of phosphorus acid is :
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- The correct order of thermal stability of hydrogen halides (HX) is: ...
02:55
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- The correct order of acid strength is
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- The correct order of acidic strength is
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- SO2 acts as oxidising and reducing agent.
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- Oleum is :
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- Sulphur molecule is : diatomic, tetratomic, triatomic, octatomic.
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- Which member of the halogen family(X2) does not show positive oxidat...
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- Bleaching action of chlorine is due to :
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- Which of the following bonds is the strongest? F-F, Cl-Cl, I-I, Br-Br.
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- Sea divers go deep in the sea water with a mixture of which of the f...
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- Which is the least polarisable among all the noble gases?
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- Shape of XeOF4 is :
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- Among trihalide of nitrogen,which one is least basic? NF3, NCl3, NBr3,...
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- What is maximum no. of hydrogen bonds in which a water molecule may ...
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- Which of the following element has maximum electron gain enthapy(neg...
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- Halogens have maximum negative electron gain enthalpy in the respectiv...
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