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Organic Chemistry MCQs Online Quiz Test
Q.1: Which of following metals can be displaced by all other metals from its solution ?
Q.2: Which of the elements do not fall in stair case of the modern periodic table———?
- None of the above
Q.3: Across short period the melting and boiling point increase upto ———?
- IIIA group
- IVA group
- VA group
- VIA group
Q.4: Which of the following is the formula of chrome red ?
- Pb3 O4
- 2Pb CO3 – Pb (OH)2
- Pb Cr O4 – Pb (OH)2
Q.5: Regular coiling or zigzagging of polypeptide through hydrogen bonding is its———-?
- Quantum structure
- Secondary structure
- Tertiary structure
- Primary structure
Q.6: In the van der Waals equation (P + n2a / v2) (v – nb) = nRT which of the following statement is not true ?
- n2a/v correct for the intermolecular forces.
- nb correct for the volume occupied by gas molecules.
- at high densities the equation reduces to the ideal gas law
- all of the above statements are correct.
Q.7: The inhaled breath of diabetics patient contain acetone. A medical student wishes to test for diabetes by asking patient to bubble their breath through a reagent ?
- alkaline aquenous iodine
- aqueous bromine
- Fehling solution
- aqueous NaOH
Q.8: When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?
- phenol is unsaturated
- 2-bromophenol is insoluble in water
- a hydroxy group makes the benzene ring more susceptible to electrophilic attack
- acid-base reaction
Q.9: If a graph is plotted between temperature on x-axis and volume on y-axis for 1 mole of gas then we get straight line which cuts the temperature exis at——–?
- ?273.16 K
Q.10: Benzene is a good solvent for———?
- all the above